On August 17, 2026, the isooctanol market in China showed a deep correction and a bearish signal. After a recent continuous rise, the average difference indicators have diverged. The 1-year cycle price is in the mid-high range, limiting the room for further increases. Subsequent attention should be paid to the impact of changes in the supply of upstream propylene and the demand for downstream products such as isooctanoic acid on prices.
I. Table of Mean Difference Changes
| Mean Difference Indicator | Today's Value (2026-08-16) | Yesterday's Value (2026-08-15) | Direction of Change |
|---|---|---|---|
| 5-day Mean Difference (D5) | 20 | 46.66 | - |
| 10-day Mean Difference (D10) | 100 | 116.67 | - |
| 20-day Mean Difference (D20) | 150 | 120 | + |
II. Signal Status Determination
The current mean difference change direction combination is (-, -, +), which belongs to a deep correction (bearish, corrective nature) signal.
III. Conclusions on Trend Directions
Oscillation (biased towards bearish, corrective in nature). Reason: The direction of change in the three averages compared to the previous day is not entirely consistent. Among them, the 5-day and 10-day averages have decreased compared to yesterday, while the 20-day average has increased, which is characteristic of a deep correction within the range of oscillation, showing an overall trend of a bearish correction.
4. Spatial Reference
Isobutanol prices in China are in a mid-to-high range over a 1-year cycle, with limited upside potential and some downward pressure beginning to show.
V. Trend Chart Display
VI. Risk Warning
The above analysis is for reference only and does not constitute trading advice.
(Source: )